{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of headquarters", "city of headquarters", "origin", "state or provinces of residence"], "input": "BAE Systems Land Systems  South Africa is a South African defence company and a subsidiary of BAE Systems Land Systems itself part of  BAE Systems Land and Armaments  ."}
{"country of headquarters": [], "city of headquarters": [], "origin": [], "state or provinces of residence": []}